private static async Task <CompletionDescription?> GetConversionDescriptionAsync(Document document, CompletionItem item, SymbolDescriptionOptions displayOptions, CancellationToken cancellationToken) { var conversion = await TryRehydrateAsync(document, item, cancellationToken).ConfigureAwait(false); if (conversion == null) { return(null); } return(await SymbolCompletionItem.GetDescriptionForSymbolsAsync( item, document, ImmutableArray.Create(conversion), displayOptions, cancellationToken).ConfigureAwait(false)); }